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//+-------------------------------------------------------------------
//
// File: cevent.hxx
//
// Contents: Definition of classes handling win32 events
//
// Classes: CEvent
//
// Functions: none
//
// History: 27-Jul-92 Rickhi Created
// 31-Dec-93 ErikGav Chicago port
//
//--------------------------------------------------------------------
#ifndef __CEVENT_HXX__
#define __CEVENT_HXX__
//+-------------------------------------------------------------------------
//
// Class: CEvent (ev)
//
// Purpose: C++ wrapper for win32 events
//
// Interface: CEvent -- creates/opens the event
// ~CEvent -- closes the event handle
// Wait -- waits for event object to be signaled
// Signal -- signals the event object
// Reset -- resets the event object
// GetName -- returns ptr to the event name
//
// History: 27-Jul-92 Rickhi Created
//
//--------------------------------------------------------------------------
class CEvent
{
public:
CEvent(LPTSTR ptszEventName,
HRESULT& hr,
BOOL fManualReset = FALSE);
~CEvent(void);
INT Wait(ULONG ulTimeOut);
void Signal(void);
void Reset(void);
private:
HANDLE _hdl; // event object handle
};
//+-------------------------------------------------------------------------
//
// Member: CEvent::~CEvent
//
// Synopsis: Destructor for event object. Closes the event handle.
//
// Arguments: none
//
// History: 27-Jul-92 Rickhi Created
//
//--------------------------------------------------------------------------
inline CEvent::~CEvent(void)
{
if (_hdl != NULL)
{
CloseHandle(_hdl);
}
}
//+-------------------------------------------------------------------------
//
// Member: CEvent::Signal
//
// Synopsis: Signals the event object.
//
// Arguments: none
//
// History: 27-Jul-92 Rickhi Created
//
//--------------------------------------------------------------------------
inline void CEvent::Signal(void)
{
int rc = SetEvent(_hdl);
Win4Assert(rc);
}
//+-------------------------------------------------------------------------
//
// Member: CEvent::Reset
//
// Synopsis: Resets the event object.
//
// Arguments: none
//
// History: 26-Sep -95 BruceMa Created
//
//--------------------------------------------------------------------------
inline void CEvent::Reset(void)
{
int rc = ResetEvent(_hdl);
Win4Assert(rc);
}
#endif // __CEVENT_HXX__
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